Genetic diversity for mycorrhizal symbiosis and phosphate transporters in rice Tolerance indices for P deficiency and Al toxicity and their interactions in soybean The role of phosphorus in the cotyledons in the adaptive response of P deficient white lupin Effects of P Deficiency at Flag Leaf Expanding Stage and Tiller Removal on Photosynthetic Characters and P Distribution in Wheat Effects of P Deficiency on Photosynthetic Characters and Yield in Two Wheat Cultivars with Different Spike Types Interactive effects of P deficiency and Al toxicity on soybean growth: A pot experiment with acid soil. Physiological mechanism of increasing lateral roots of Phaseolus coccineus L. under P deficiency